Bug 2293337 (CVE-2022-48771)
| Summary: | CVE-2022-48771 kernel: drm/vmwgfx: Fix stale file descriptors on failed usercopy | ||
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| Product: | [Other] Security Response | Reporter: | Avinash Hanwate <ahanwate> |
| Component: | vulnerability | Assignee: | Product Security <prodsec-ir-bot> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | dfreiber, drow, jburrell, rkeshri, vkumar |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | kernel 4.14.264, kernel 4.19.227, kernel 5.4.175, kernel 5.10.95, kernel 5.15.18, kernel 5.16.4, kernel 5.17 | Doc Type: | If docs needed, set a value |
| Doc Text: |
A use-after-free vulnerability has been identified in the Linux kernel's VMware graphics driver (vmwgfx) driver. This flaw occurs during the usercopy operation for the fence_rep object. If this operation fails, it can leave a stale (dangling) file descriptor in the system's file descriptor table. This allows userland processes to reference an invalidated file object, ultimately leading to a use-after-free condition. Successful exploitation of this vulnerability could result in memory corruption, system instability, or a denial of service.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 2293307 | ||
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Description
Avinash Hanwate
2024-06-20 13:48:02 UTC
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